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  • An LBNP examination method is mainly used as a load test within special diagnostics in conditions of the long-term microgravity during space flights or after space flights. In these cases a long-run impact of negative pressure low values is applied. On the contrary in our case a pilot is exposed to negative pressure high values, however for short time. Blood pressure changes determine significant information about possible pilot’s collapse state. The rapid blood pressure decrease comes into being very shortly after the LBNP exposure at the substandard result group. The rapid decrease of the systolic value is followed by pulse pressure decrease at the same time, too. Current LBNP examinations are accomplished with one step exposure at the negative pressure level of -70 mmHg with achievement of this value in one second. Pilots are examined in the sitting position with the possibility to tilt the chamber backward.
  • An LBNP examination method is mainly used as a load test within special diagnostics in conditions of the long-term microgravity during space flights or after space flights. In these cases a long-run impact of negative pressure low values is applied. On the contrary in our case a pilot is exposed to negative pressure high values, however for short time. Blood pressure changes determine significant information about possible pilot’s collapse state. The rapid blood pressure decrease comes into being very shortly after the LBNP exposure at the substandard result group. The rapid decrease of the systolic value is followed by pulse pressure decrease at the same time, too. Current LBNP examinations are accomplished with one step exposure at the negative pressure level of -70 mmHg with achievement of this value in one second. Pilots are examined in the sitting position with the possibility to tilt the chamber backward. (en)
  • LBNP (lower body negative pressure) vyšetřovací metoda se většinou využívá jako zátěžový test pro speciální diagnostiku v podmínkách dlouhotrvající mikrogravity během kosmických letů nebo po jejich skončení. V těchto případech působí dlouhotrvající účinek negativního tlaku, ovšem s využitím jeho nízkých hodnot. Naopak v našem případě je pilot vystaven vysokým hodnotám negativního tlaku, avšak pouze po krátkou dobu. Změny krevního tlak jsou určující pro stanovení okamžiku možného nástupu kolapsového stavu. K rychlému poklesu systolických hodnot dochází krátce po LBNP expozici u skupiny pilotů s nedostatečnou ortostatickou odolností. Rychlý pokles systolické hodnoty krevního tlaku je vzápětí doprovázen poklesem pulsního tlaku. Současná LBNP vyšetření se uskutečňují při jednostupňové expozici na úrovni negativního tlaku minus 70mmHg při dosažení této hodnoty za jednu sekundu. Piloti se vyšetřují v poloze v sedě s možností sklopení LBNP zařízení. (cs)
Title
  • Fyziologické reakce při vyšetřování v rychlé LBNP expozici (cs)
  • Physiological responses during examination in rapid LBNP exposure
  • Physiological responses during examination in rapid LBNP exposure (en)
skos:prefLabel
  • Fyziologické reakce při vyšetřování v rychlé LBNP expozici (cs)
  • Physiological responses during examination in rapid LBNP exposure
  • Physiological responses during examination in rapid LBNP exposure (en)
skos:notation
  • RIV/61382981:_____/05:#0000011!RIV06-MO0-61382981
http://linked.open.../vavai/riv/strany
  • 2371-1; 2371-6
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MO0ULZ0000501)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 536020
http://linked.open...ai/riv/idVysledku
  • RIV/61382981:_____/05:#0000011
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • Pilot's physiological responses, rapid LBNP exposure, anti-g manoeuvres (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [DB9805D41F68]
http://linked.open...v/mistoKonaniAkce
  • Prague, Czech Republic
http://linked.open...i/riv/mistoVydani
  • Prague, Czech Republic
http://linked.open...i/riv/nazevZdroje
  • Proceedings of the International Federation for Medical and Biological Engineering, EMBEC’05 & IFMBE
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Hanousek, Jan
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
issn
  • 1727-1983
number of pages
http://purl.org/ne...btex#hasPublisher
  • EMBEC’05 & IFMBE
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